Lightweight render pipeline UI problem on android devices. UI darker

After updating the project to the lightweight render pipeline, the interface elements become dark when assembled on an android.

Unity 2019.1 & Xiaomi mi a1. This problem is only compiled.

before

after

It seems the Alpha channel is not working

i have same problem, i have track everything trying to adjust lighting,skybox influence and inmap light source but idk how to solved it.

I could not solve it, the project’s repeated upgrade helped